18 12 030 Removing and installing/replacing rear muffler (N12, N14)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

Cutting line (1) for rear muffler is designated by a notch in the pipe.

Fig 1: Identifying Cutting Line For Rear Muffler

Courtesy of BMW OF NORTH AMERICA, INC.

Cut exhaust pipe with special tool 00 2 210 at marked point and deburr.

IMPORTANT: Risk of damage!
Secure exhaust pipe of rear muffler against falling down with assistance of a second person.

Fig 2: Cutting Exhaust Pipe With Special Tool 00 2 210

Courtesy of BMW OF NORTH AMERICA, INC.

Spray rubber mount (1) with antiseize agent and detach from rear muffler (2).

NOTE: Illustration shows and text refers to the right rubber mount. The procedure is identical for the left side.

Lower and remove rear muffler with assistance of a second person.

Fig 3: Identifying Rubber Mount And Rear Muffler

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Connect rear muffler to front muffler by means of a clamp.

Align rear muffler to rear apron.

Align clamp and tighten down.

Tightening torque 45 N.m

Fig 4: Identifying Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check exhaust system for leaks.